We, in a rat-race, are urged to not only grasp the known but also quest for the unknown.

在（外力）催促（之下），我们这些鼠辈不仅要掌握已知的（事物）而且要探求未知的（事物）。

youdao

We'll need plentiful access to nice schools and neighbourhoods, and less of a rat-race culture in the office.

我们需要拥有大量的好学校和好社区，减少办公室里残酷竞争的文化。

youdao

I had to get out of the rat race and take a look at the real world again.

我必须退出这种你争我夺的生活，重新看看真实的世界。

《柯林斯英汉双解大词典》

Like a rat-race commuter, you can get dressed, have breakfast, say goodbye to the goldfish, then march out the door ready to conquer the world.

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But the dot-com rat race is becoming a circus.

WSJ: Product Doesn't Speak for Itself? Hit the Street in a Clown Suit

While Mullen sympathises with those players who face an uncertain future, the beautiful game has, according to the League One boss, become an unsentimental rat race, with clubs scurrying around to cobble together a promotion-winning squad.

BBC: Football's free transfer rat race